overpayment

Noun overpayment has 2 senses

• overpayment(n = noun.possession) - a payment larger than needed or expected;
is a kind of payment
Derived form verb overpay₁

• overpayment(n = noun.act) - the act of paying too much;
is a kind of defrayal, defrayment, payment
Derived form verb overpay₁